After being used and betrayed by the detective she had fallen in love with, young Matsu is sent to a female prison full of sadistic guards and disobedient prisoners.After being used and betrayed by the detective she had fallen in love with, young Matsu is sent to a female prison full of sadistic guards and disobedient prisoners.After being used and betrayed by the detective she had fallen in love with, young Matsu is sent to a female prison full of sadistic guards and disobedient prisoners.